Humans, birds and fish can all be affected by PSP toxins. Herbivorous zooplankton is the primary transvector which can in turn transmit the toxin to fish and possibly other marine creatures which consume zooplankton (Baden 1983). The usual route for humans is the consumption of raw or cooked contaminated shellfish.
The definition of obstinate is extremely stubborn and determined to have your own way. An example of obstinate is a person who drives during a severe hurricane despite major warnings not to do so. obstinate. not easily subdued, ended, etc. obstinate.
Definition of 'indulgent'. indulgent (ÉªndÊldÊÉnt ) If you are indulgent, you treat a person with special kindness, often in a way that is not good for them. His indulgent mother was willing to let him do anything he wanted.